fixed

using System;


class InstructionSet_broken
{
    static void Main()
    {
        string opCode;

        do
        {
            opCode = Console.ReadLine();


            string[] codeArgs = opCode.Split(' ');

            long result = 0;
            switch (codeArgs[0].ToUpper())
            {
                case "INC":
                    {
                        long operandOne = long.Parse(codeArgs[1]);
                        result = operandOne + 1;
                        break;
                    }
                case "DEC":
                    {
                        long operandOne = long.Parse(codeArgs[1]);
                        result = operandOne - 1;
                        break;
                    }
                case "ADD":
                    {
                        long operandOne = long.Parse(codeArgs[1]);
                        long operandTwo = long.Parse(codeArgs[2]);
                        result = operandOne + operandTwo;
                        break;
                    }
                case "MLA":
                    {
                        int operandOne = int.Parse(codeArgs[1]);
                        int operandTwo = int.Parse(codeArgs[2]);
                        result = (long)(operandOne) * (long)(operandTwo);
                        break;
                    }

            }
            if (opCode != "END")
            {
                Console.WriteLine(result);
            }
            //else
            //{
            //    Console.WriteLine("Have a nice day");
            //}


        } while (opCode != "END");

    }

    }